DARPA's LAGR program stands for Learning Applied to Ground Robots. It is a program run by the U.S. government to learn how to build robots that can travel on land and interact with their surroundings. The goal is to help the robots become better at navigating their environment, understanding what objects they see, and taking appropriate action. For example, they could use cameras and sensors to detect obstacles in their path and then safely avoid them. They could interact with people and objects, as well as recognize faces and voices. The more the robots can learn, the more useful they will be in the future.